Physical Dimensions

The total volume of the collection zone is determined by residence time considerations, having also accounted for mixing and hindered settling of coarse particles, to achieve target recoveries. A formula based on an axial dispersion model and first-order flotation kinetics is typically used. A minimum diameter is then calculated to allow sufficient bubble surface area to float the required solids. The diameter and height must be larger than these minimum numbers and any combination can be used as long as the volume remains above its minimum. The volume should provide for the necessary retention time with a correction for mixing, but should not exceed it substantially. This is critical in the case of selective flotation when both components are floatable and have different but nonzero rate constants.

The selection of the vessel dimensions is an iterative process since a change in many of the variables will change the overall mixing in the vessel.

Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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